If (a + b) = 10 and ab = 25 then find the value of ( a - b)

20 25 0 10

0

If x + y  = n then , x - y  = \(\sqrt {n^2 - 4xy}\) If a + b = 10 ab = 25 Then find the value of ( a - b) If $(a + b)^2$ = 10 So, a + b = 10 then x - y = $\sqrt {(10)^2 - 4 \times 25}$ = 0